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Author | : Bernard Izevbekhai |
Publisher | : |
Total Pages | : 25 |
Release | : 2012 |
Genre | : Absorption of sound |
ISBN | : |
Download Performance of Exposed Aggregate Surface of Composite Pavements at MnROAD Book in PDF, ePub and Kindle
This paper summarizes the construction and early performance assessment of an exposed aggregate surface on a composite pavement test cell (cell 72) at MnROAD. Although exposed aggregate surfaces and composite pavement systems have become extremely popular in Europe, they are a relatively new concept in the United States. The performance of the exposed aggregate surface is compared to that in the two other composite pavement cells at MnROAD: cell 70, hot mix asphalt (HMA) over a recycled aggregate concrete, and cell 71, diamond grind concrete over recycled aggregate concrete. The strength, tire pavement noise (on board sound intensity), sound absorption, friction, texture, and international roughness index were tested. The results suggest that the exposed aggregate concrete surface does not provide significant noise reduction. Innovative diamond grinding of composite pavements might be beneficial for noise reduction. Exposed aggregate surfacing can provide more than adequate friction for driver safety, but it does not show any improvement relative to typical HMA or diamond ground surfaces. Exposed aggregate surfaces have a texture (or mean profile depth) similar to that of traditional diamond ground surfaces but might be detrimental to the ride quality. Continued monitoring of these test cells will aid the development of a wide understanding of exposed aggregate surfaces and composite pavements needed for more effective design and accurate service life models.
Author | : Alexandra Akkari |
Publisher | : |
Total Pages | : 83 |
Release | : 2012 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Download Composite Pavements and Exposed Aggregate Texturing at MnROAD Book in PDF, ePub and Kindle
This report summarizes the construction and early performance assessment of three composite (new, multi-layer, construction) test cells at the MnROAD: HMA over a recycled aggregate concrete; diamond grind concrete over recycled aggregate concrete; and exposed aggregate concrete over a low cost concrete. The compilation of this report is strictly a MnDOT activity that documents construction and instrumentation of concrete cells at our MnROAD facility and should not be misconstrued for a SHRP 2 activity. Strength, on board sound intensity, sound absorption, friction, texture and international roughness index were tested to better understand the performance of these, pavement types. Results suggest that the exposed aggregate concrete surface does not provide significant noise reduction. Exposed aggregate surfacing can provide more than adequate friction for skid resistance and safety. Overall, however, these two lift concrete pavements proved to address issues such as high cost of virgin aggregates and high trucking costs for areas that don't have quality aggregates to use. Continued monitoring of these test cells will help develop the extensive understanding of composite pavements needed for effective design and accurate service life models.
Author | : Shreenath P. Rao |
Publisher | : Transportation Research Board |
Total Pages | : 122 |
Release | : 2013 |
Genre | : Technology & Engineering |
ISBN | : 030912946X |
Download Composite Pavement Systems Book in PDF, ePub and Kindle
Experimental composite pavements were constructed at MnROAD in Minnesota and the University of California Pavement Research Center at Davis, where the pavements were instrumented and monitored under climate and heavy traffic loadings. A composite pavement consisting of HMA over jointed plain concrete also was constructed in the field by the Illinois Tollway north of Chicago. At the Tollway, extensive field surveys were performed on 64 sections of the two types of composite pavements. This project also evaluated, improved, and further validated applicable structural, climatic, material, and performance prediction models, and design algorithms that are included in the AASHTO MEPDG and DARWin-ME, CalME, NCHRP 1-41 reflection cracking, NCHRP 9-30A rutting, and the Lattice bonding model. The current DARWin-ME overlay design procedure for HMA/PCC and a special R21 version of the Mechanistic-Empirical Pavement Design Guide (MEPDG [v.
Author | : Shreenath P. Rao |
Publisher | : Transportation Research Board |
Total Pages | : 147 |
Release | : 2013 |
Genre | : Technology & Engineering |
ISBN | : 0309129451 |
Download Composite Pavement Systems Book in PDF, ePub and Kindle
Experimental composite pavements were constructed at MnROAD in Minnesota and the University of California Pavement Research Center at Davis, where the pavements were instrumented and monitored under climate and heavy traffic loadings. A composite pavement consisting of HMA over jointed plain concrete also was constructed in the field by the Illinois Tollway north of Chicago. At the Tollway, extensive field surveys were performed on 64 sections of the two types of composite pavements. This project also evaluated, improved, and further validated applicable structural, climatic, material, and performance prediction models, and design algorithms that are included in the AASHTO MEPDG and DARWin-ME, CalME, NCHRP 1-41 reflection cracking, NCHRP 9-30A rutting, and the Lattice bonding model. The current DARWin-ME overlay design procedure for HMA/PCC and a special R21 version of the Mechanistic-Empirical Pavement Design Guide (MEPDG [v.
Author | : Imad L. Al-Qadi |
Publisher | : CRC Press |
Total Pages | : 932 |
Release | : 2008-07-30 |
Genre | : Technology & Engineering |
ISBN | : 0203882199 |
Download Pavement Cracking Book in PDF, ePub and Kindle
Internationally, much attention is given to causes, prevention, and rehabilitation of cracking in concrete, flexible, and composite pavements. The Sixth RILEMInternational Conference on Cracking in Pavements (Chicago, June 16-18, 2008) provided a forum for discussion of recent developments and research results.This book is a collection of papers fr
Author | : W. James Wilde |
Publisher | : |
Total Pages | : 94 |
Release | : 2013 |
Genre | : Friction |
ISBN | : |
Download Portland Cement Concrete Surface Characteristics Book in PDF, ePub and Kindle
This report describes an extensive data collection effort, spanning five years, and the subsequent data analysis to evaluate the performance of surface characteristics on portland cement concrete pavements that have been diamond ground with various grinding configurations. The data collected were analyzed and evaluated to observe the longterm performance of the surface characteristics of noise, friction, texture, and ride quality. In addition to the basic analysis and comparison of the performance with respect to the control cell, several other studies were performed such as the correction of noise data with ambient air temperatures at the individual third-octave frequencies and evaluation of trends in the data using various statistical analysis methods. In addition, other surface characteristics were measured to provide a baseline for comparison with potential future measurements, including rolling resistance and advanced texture characteristics. The surface characteristics evaluated indicated immediate changes were effected due to the grinding activity, and that over time (and due to the application of repetitive traffic) these immediate effects were diminished somewhat, in most cases. Based on the immediate and long-term performance of the various grinding configurations, recommendations are made in the report regarding the use of the configurations and areas suggested for further research.
Author | : Sandra Erkens |
Publisher | : CRC Press |
Total Pages | : 212 |
Release | : 2016-10-14 |
Genre | : Technology & Engineering |
ISBN | : 1317285522 |
Download Functional Pavement Design Book in PDF, ePub and Kindle
Functional Pavement Design is a collections of 186 papers from 27 different countries, which were presented at the 4th Chinese-European Workshops (CEW) on Functional Pavement Design (Delft, the Netherlands, 29 June-1 July 2016). The focus of the CEW series is on field tests, laboratory test methods and advanced analysis techniques, and cover analysis, material development and production, experimental characterization, design and construction of pavements. The main areas covered by the book include: - Flexible pavements - Pavement and bitumen - Pavement performance and LCCA - Pavement structures - Pavements and environment - Pavements and innovation - Rigid pavements - Safety - Traffic engineering Functional Pavement Design is for contributing to the establishment of a new generation of pavement design methodologies in which rational mechanics principles, advanced constitutive models and advanced material characterization techniques shall constitute the backbone of the design process. The book will be much of interest to professionals and academics in pavement engineering and related disciplines.
Author | : |
Publisher | : |
Total Pages | : 190 |
Release | : 2002 |
Genre | : Pavements, Concrete |
ISBN | : |
Download High Performance Concrete Pavements Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 135 |
Release | : 2013 |
Genre | : Pavements, Asphalt concrete |
ISBN | : |
Download Composite Pavement Systems Book in PDF, ePub and Kindle
"Composite pavements have proved in Europe and the United States to have long service life with excellent surface characteristics, structural capacity, and rapid renewal when needed. Based on statistics compiled in 2000, approximately 30% of the urban interstate system and just over 20% of the rural interstate system is classified as "composite" pavement. In most cases the composite pavements are the result of maintenance and rehabilitation activities and not intentionally designed new composite pavement systems. This project developed the guidance needed to design and construct new composite pavement systems. The research determined the behavior, properties, and performance for both HMA/PCC and the PCC/PCC composite pavements under many climate and traffic conditions. Experimental composite pavements were constructed at MnROAD in Minnesota and the University of California Pavement Research Center at Davis, where the pavements were instrumented and monitored under climate and heavy traffic loadings. A composite pavement consisting of HMA over jointed plain concrete also was constructed in the field by the Illinois Tollway north of Chicago. At the Tollway, extensive field surveys were performed on 64 sections of the two types of composite pavements. This project also evaluated, improved, and further validated applicable structural, climatic, material, and performance prediction models, and design algorithms that are included in the AASHTO MEPDG and DARWin-ME, CalME, NCHRP 1-41 reflection cracking, NCHRP 9-30A rutting, and the Lattice bonding model. The current DARWin-ME overlay design procedure for HMA/PCC and a special R21 version of the Mechanistic-Empirical Pavement Design Guide (MEPDG [v. 1.3000:R21]) can be used for new PCC/PCC composite pavements. The key to the sustainable features of new composite pavements is the ability to use higher levels of recycled materials in the lower concrete layer. Additionally, the thickness of the lower concrete layer can be reduced when considering the insulating effect of the top pavement surface. Intentionally designed and constructed composite pavements will help highway agencies meet the goal of building economical, sustainable pavement structures that use higher levels of recycled materials and locally available materials"--Foreword.
Author | : |
Publisher | : |
Total Pages | : 110 |
Release | : 2013 |
Genre | : Pavements, Asphalt concrete |
ISBN | : |
Download Composite Pavement Systems Book in PDF, ePub and Kindle
"Composite pavements have proved in Europe and the United States to have long service life with excellent surface characteristics, structural capacity, and rapid renewal when needed. Based on statistics compiled in 2000, approximately 30% of the urban interstate system and just over 20% of the rural interstate system is classified as "composite" pavement. In most cases the composite pavements are the result of maintenance and rehabilitation activities and not intentionally designed new composite pavement systems. This project developed the guidance needed to design and construct new composite pavement systems. The research determined the behavior, properties, and performance for both HMA/PCC and the PCC/PCC composite pavements under many climate and traffic conditions. Experimental composite pavements were constructed at MnROAD in Minnesota and the University of California Pavement Research Center at Davis, where the pavements were instrumented and monitored under climate and heavy traffic loadings. A composite pavement consisting of HMA over jointed plain concrete also was constructed in the field by the Illinois Tollway north of Chicago. At the Tollway, extensive field surveys were performed on 64 sections of the two types of composite pavements. This project also evaluated, improved, and further validated applicable structural, climatic, material, and performance prediction models, and design algorithms that are included in the AASHTO MEPDG and DARWin-ME, CalME, NCHRP 1-41 reflection cracking, NCHRP 9-30A rutting, and the Lattice bonding model. The current DARWin-ME overlay design procedure for HMA/PCC and a special R21 version of the Mechanistic-Empirical Pavement Design Guide (MEPDG [v. 1.3000:R21]) can be used for new PCC/PCC composite pavements. The key to the sustainable features of new composite pavements is the ability to use higher levels of recycled materials in the lower concrete layer. Additionally, the thickness of the lower concrete layer can be reduced when considering the insulating effect of the top pavement surface. Intentionally designed and constructed composite pavements will help highway agencies meet the goal of building economical, sustainable pavement structures that use higher levels of recycled materials and locally available materials"--Foreword.